烝
ジョウ, ショウ, む.す, もろもろ

many, offer, dedicate, to steam

JLPT0 G13 S0 F5000

As per 丞# (raise/rise) + 火 fire → rising flames (compare 煬) → *rise*; *steam* → *many*; *numerous* (← wisps of steam rising without limit). Also, *make an offering* (of harvested crops) (← offer up ← rise/raise).

[Full Kanji Etymology List]